142355052 has 72 divisors (see below), whose sum is σ = 413652512. Its totient is φ = 40435200.

The previous prime is 142355041. The next prime is 142355089. The reversal of 142355052 is 250553241.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44052 + ... + 47172.

Almost surely, 2^142355052 is an apocalyptic number.

142355052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142355052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206826256).

142355052 is an abundant number, since it is smaller than the sum of its proper divisors (271297460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142355052 is a wasteful number, since it uses less digits than its factorization.

142355052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3319 (or 3314 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 142355052 is about 11931.2636380226. The cubic root of 142355052 is about 522.1448050287.

The spelling of 142355052 in words is "one hundred forty-two million, three hundred fifty-five thousand, fifty-two".